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Moved the tests for lint search_is_some to new files

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`search_is_some.rs` and `search_is_some_fixable.rs`
This commit is contained in:
Ryan Sullivant 2020-10-17 14:07:22 -07:00
parent a1cf2d334d
commit 431fcbcc00
3 changed files with 74 additions and 63 deletions
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63
tests/ui/methods.rs
View file

@ -133,69 +133,6 @@ fn filter_next() {
let _ = foo.filter().next();
}
/// Checks implementation of `SEARCH_IS_SOME` lint.
#[rustfmt::skip]
fn search_is_some() {
let v = vec![3, 2, 1, 0, -1, -2, -3];
let y = &&42;
// Check `find().is_some()`, single-line case.
let _ = v.iter().find(|&x| *x < 0).is_some();
let _ = (0..1).find(|x| **y == *x).is_some(); // one dereference less
let _ = (0..1).find(|x| *x == 0).is_some();
let _ = v.iter().find(|x| **x == 0).is_some();
// Check `find().is_some()`, multi-line case.
let _ = v.iter().find(|&x| {
*x < 0
}
).is_some();
// Check `position().is_some()`, single-line case.
let _ = v.iter().position(|&x| x < 0).is_some();
// Check `position().is_some()`, multi-line case.
let _ = v.iter().position(|&x| {
x < 0
}
).is_some();
// Check `rposition().is_some()`, single-line case.
let _ = v.iter().rposition(|&x| x < 0).is_some();
// Check `rposition().is_some()`, multi-line case.
let _ = v.iter().rposition(|&x| {
x < 0
}
).is_some();
let s1 = String::from("hello world");
let s2 = String::from("world");
// Check caller `find()` is a &`static str case
let _ = "hello world".find("world").is_some();
let _ = "hello world".find(&s2).is_some();
let _ = "hello world".find(&s2[2..]).is_some();
// Check caller of `find()` is a String case
let _ = s1.find("world").is_some();
let _ = s1.find(&s2).is_some();
let _ = s1.find(&s2[2..]).is_some();
// Check caller of `find()` is a slice of String case
let _ = s1[2..].find("world").is_some();
let _ = s1[2..].find(&s2).is_some();
let _ = s1[2..].find(&s2[2..]).is_some();
// Check that we don't lint if `find()` is called with
// Pattern that is not a string
let _ = s1.find(|c: char| c == 'o' || c == 'l').is_some();
// Check that we don't lint if the caller is not an `Iterator` or string
let foo = IteratorFalsePositives { foo: 0 };
let _ = foo.find().is_some();
let _ = foo.position().is_some();
let _ = foo.rposition().is_some();
}
fn main() {
filter_next();
search_is_some();
}

39
tests/ui/search_is_some.rs Normal file
View file

@ -0,0 +1,39 @@
#[macro_use]
extern crate option_helpers;
use option_helpers::IteratorFalsePositives;
#[warn(clippy::search_is_some)]
#[rustfmt::skip]
fn main() {
let v = vec![3, 2, 1, 0, -1, -2, -3];
let y = &&42;
// Check `find().is_some()`, multi-line case.
let _ = v.iter().find(|&x| {
*x < 0
}
).is_some();
// Check `position().is_some()`, multi-line case.
let _ = v.iter().position(|&x| {
x < 0
}
).is_some();
// Check `rposition().is_some()`, multi-line case.
let _ = v.iter().rposition(|&x| {
x < 0
}
).is_some();
// Check that we don't lint if the caller is not an `Iterator` or string
let foo = IteratorFalsePositives { foo: 0 };
let _ = foo.find().is_some();
let _ = foo.position().is_some();
let _ = foo.rposition().is_some();
// check that we don't lint if `find()` is called with
// `Pattern` that is not a string
let _ = "hello world".find(|c: char| c == 'o' || c == 'l').is_some();
}

35
tests/ui/search_is_some_fixable.rs Normal file
View file

@ -0,0 +1,35 @@
// run-rustfix
#![warn(clippy::search_is_some)]
fn main() {
let v = vec![3, 2, 1, 0, -1, -2, -3];
let y = &&42;
// Check `find().is_some()`, single-line case.
let _ = v.iter().find(|&x| *x < 0).is_some();
let _ = (0..1).find(|x| **y == *x).is_some(); // one dereference less
let _ = (0..1).find(|x| *x == 0).is_some();
let _ = v.iter().find(|x| **x == 0).is_some();
// Check `position().is_some()`, single-line case.
let _ = v.iter().position(|&x| x < 0).is_some();
// Check `rposition().is_some()`, single-line case.
let _ = v.iter().rposition(|&x| x < 0).is_some();
let s1 = String::from("hello world");
let s2 = String::from("world");
// caller of `find()` is a `&`static str`
let _ = "hello world".find("world").is_some();
let _ = "hello world".find(&s2).is_some();
let _ = "hello world".find(&s2[2..]).is_some();
// caller of `find()` is a `String`
let _ = s1.find("world").is_some();
let _ = s1.find(&s2).is_some();
let _ = s1.find(&s2[2..]).is_some();
// caller of `find()` is slice of `String`
let _ = s1[2..].find("world").is_some();
let _ = s1[2..].find(&s2).is_some();
let _ = s1[2..].find(&s2[2..]).is_some();
}